#include <bits/stdc++.h>
#define p(x) putchar(x)
using namespace std;

int rd() {
	int x = 0;
	char c = getchar();
	while (!isdigit(c))
		c = getchar();
	while (isdigit(c))
		x = (x << 1) + (x << 3) + c - 48, c = getchar();
	return x;
}
int n = rd();

void print() {
	n & 1 ? p('B'), p('o'), p('b') :
	(p('A'), p('l'), p('i'), p('c'), p('e'));
	putchar('\n');
}

int main() {
	while (print(), n = rd());
	return 0;
}